When I used to teach in the public school, each month, my mom and I would make up bookmarks for my students. They loved getting fresh new bookmarks to use for the month. I always had some extras printed so they could come get a new one throughout the month. Each month, we would change the pictures on them so that they matched what the month was.
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We were at a teaching store when we remembered about that. Why can't we make bookmarks for my own kids at home (and yours, of course). I will be putting out new ones out before each month so you have time to print them out on card stock (colored card stock looks great, too) and cut.
Here are the ones for December. Just click on the picture to print.